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Power flow analysis for a new isolation system—flexible floating raft

Power flow analysis for a new isolation system—flexible floating raft
Power flow analysis for a new isolation system—flexible floating raft
A new model for a raft isolation system is proposed, in which the raft supports two machines on a flexible foundation via a series of isolators. The interaction between the flexible floating raft and the non-rigid foundation is studied by the novel approach of power flow. The power flow input and transmitted in the complicated compound system are then formulated in closed forms, in which the coupling between the raft and the foundation is considered. The effect of the raft flexibility on power flow spectra is also revealed. This study shows that it may lead to an overoptimistic evaluation to the effectiveness of the raft isolation when simplifying the raft to an ideal rigid structure. Thereby, the reliable estimation and effective design for raft isolation system are provided
1000-9345
Xiong, Yeping
51be8714-186e-4d2f-8e03-f44c428a4a49
Kongjie, Song
9d32aec8-ad0e-4740-839b-360c0ad9a7f3
Xiong, Yeping
51be8714-186e-4d2f-8e03-f44c428a4a49
Kongjie, Song
9d32aec8-ad0e-4740-839b-360c0ad9a7f3

Xiong, Yeping and Kongjie, Song (1996) Power flow analysis for a new isolation system—flexible floating raft. Chinese Journal of Mechanical Engineering, 9 (3).

Record type: Article

Abstract

A new model for a raft isolation system is proposed, in which the raft supports two machines on a flexible foundation via a series of isolators. The interaction between the flexible floating raft and the non-rigid foundation is studied by the novel approach of power flow. The power flow input and transmitted in the complicated compound system are then formulated in closed forms, in which the coupling between the raft and the foundation is considered. The effect of the raft flexibility on power flow spectra is also revealed. This study shows that it may lead to an overoptimistic evaluation to the effectiveness of the raft isolation when simplifying the raft to an ideal rigid structure. Thereby, the reliable estimation and effective design for raft isolation system are provided

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More information

Published date: 1996
Organisations: Fluid Structure Interactions Group

Identifiers

Local EPrints ID: 365467
URI: http://eprints.soton.ac.uk/id/eprint/365467
ISSN: 1000-9345
PURE UUID: 806a94a1-2c29-44f2-bad6-281e054c5f2b
ORCID for Yeping Xiong: ORCID iD orcid.org/0000-0002-0135-8464

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Date deposited: 06 Jun 2014 09:07
Last modified: 11 Jul 2020 00:27

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